Energy Transformations

What kind of energy is being shown in the picture?

• Light

• Gravitational

• Potential

• Kinetic

Which kind of energy change occurs when a candle is burning?

• Chemical to light.
• Light to electrical.
• Solar to heat.
• Chemical to electrical.

Which type of energy transformation occurs when a flashlight shines?

• chemical → thermal → electrical
• chemical → electrical → light
• thermal → chemical → light
• chemical → electrical → chemical

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical → thermal
• light → chemical
• thermal → light
• chemical → electrical

Which device transforms electrical energy into mechanical energy?

• Flashlight
• Pencil Sharpener
• Lamp
• TV

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

Solar Energy is transferred to _____ Energy.

• Mechanical
• Solar
• Sound
• Electrical

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

Energy is the ability to do work or cause changes.

• True

• False

What is the energy transformation?

• Mechanical to Kinetic to Sound
• Mechanical to Electrical to Light
• Electrical to Thermal to Mechanical
• Kinetic to Sound to Potential